William Marsh Rice University

Est. AUM

$220.6M

13F long equity, this entity only

Positions

Period

Mar 2026 (Q1)

SEC EDGAR

Mar 2026 (Q1)

#	Issuer	Class	Value	Shares	% Portfolio	Discretion
1	VANGUARD INDEX FDS	S&P 500 ETF SHS	$135.0M	225914	61.19%	SOLE
2	BLACK STONE MINERALS L P	COM UNIT	$85.6M	5663476	38.81%	SOLE

Values in USD (reported in $thousands on 13F). Source: SEC EDGAR.